XGY Grimsby Mountain, ONWeather Observed At 43-11 N 79-34 W |
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| 2026-04-18 | 7:30pm | Max | Min | ||||
| Weather |
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| Temperature |
13.5 °C |
25.0 °C |
12:21pm |
4.3 °C |
5:31am |
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| Relative Humidity |
87 % |
96 % |
7:37am |
45 % |
12:10pm |
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| Dew Point |
11.4 °C |
16.1 °C |
2:28pm |
3.3 °C |
5:26am |
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| Wind Velocity |
11 ° at 2.6 G 10.4 kt |
20.0 kt |
1:39pm |
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| Pressure |
29.709 "
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29.915 " |
12:30am |
29.608 " |
12:51pm |
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| Rainfall Rate |
0.0 mm/h | 27.4 mm/h |
4:01pm |
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| Snow On Ground |
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| Brightness / Darkness |
7 W/m² /
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858 W/m² |
12:18pm |
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| Remarks |
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| Rainfall | Today |
4.2 mm |
Storm Total |
4.0 mm |
| Snowfall | Today |
0.0 cm
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Storm Total |
0.0 cm
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| Evapotranspiration | Today |
-2.24 mm |
| Lake Conditions |
Water Temperature
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Waves
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| Meteor Index |
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| Aurora Index / Solar |
| Solar Flux
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| Sunrise | 6:30am |
Sunset | 8:05pm | ||
| Moonrise |
| Moonset |
| Moon Phase |
New Moon
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| Grimsby Mountain Weather Maps | |||
| Local | Regional | Area | Synoptic |
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| updated H+09 and every 10m | updated H+19 and H+49 |
updated H+19 |
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| Ontario 6-Hour Meteorological Summary | |||||
| Canadian 6-Hour Meteorological Summaries |
| CLIMAT Data | ||||||||||||
| Official | Yesterday |
2004 | 2005 | 2006 | 2007 | 2008 | 2009 | Normals
& Records |
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| 2010 | 2011 | 2012 | 2013 | 2014 | 2015 | 2016 | 2017 | 2018 | 2019 | |||
| 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 | ||||||




















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Sky Quality (Darkness) Meter courtesy of ![]() |
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| Wx Map | Sat
Pix |
IR Sat Pix | Radar | Lightning |
| Water |
Ice |

